# Distance between Rayong (UTP) and Lampang (LPT)

Flight distance from Rayong to Lampang (U-Tapao International Airport – Lampang Airport) is 397 miles / 639 kilometers / 345 nautical miles. Estimated flight time is 1 hour 15 minutes.

Driving distance from Rayong (UTP) to Lampang (LPT) is 472 miles / 759 kilometers and travel time by car is about 8 hours 46 minutes.

## Map of flight path and driving directions from Rayong to Lampang.

Shortest flight path between U-Tapao International Airport (UTP) and Lampang Airport (LPT).

## How far is Lampang from Rayong?

There are several ways to calculate distances between Rayong and Lampang. Here are two common methods:

Vincenty's formula (applied above)
• 397.221 miles
• 639.266 kilometers
• 345.176 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
• 399.006 miles
• 642.138 kilometers
• 346.727 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

## Airport information

A U-Tapao International Airport
City: Rayong
Country: Thailand
IATA Code: UTP
ICAO Code: VTBU
Coordinates: 12°40′47″N, 101°0′17″E

B Lampang Airport
City: Lampang
Country: Thailand
IATA Code: LPT
ICAO Code: VTCL
Coordinates: 18°16′15″N, 99°30′15″E

## Time difference and current local times

There is no time difference between Rayong and Lampang.

+07

+07

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 83 kg (184 pounds).

## Frequent Flyer Miles Calculator

Rayong (UTP) → Lampang (LPT).

Distance:
397
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
397

Round trip?